Pattern mechanism for knitting-machines.



F. B. WILDMAN & G. L. BALLARD. PATTERN MECHANISM FOR KNITTING MACHINES.

APPLICATIO FILED JUNE 1913. 1,172,090. PMQHt-Od m). 15, IIIIII. bSHEEXS-$HT I.

F. B. WILDMAN & G. L. BALLARD. PATTERN MECHANISM FOR KNITTING MACHINES.

APPLICATION HLEU I'UNE 4, 1913.

Pzltllted Feb. 15,1910.

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APPLICATION FILED JUNE 4 I9I3. 1,172,090. Patented Feb.15,1916.

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I UNITED STATES PATENT OFFICE;

FRANK B. WILDMAN AND GEORGE L. BALLAB1J, OF NORRISTOWN, PENNSYLVANIA,ASSIGNORS T WILDMA N MFG. 00., A CORPORATION OF PENNSYLVANIA.

PATTERN T MECHANIS I FOR KNITTING-MACHINES.

. and GEORGE L. BALLARD, a. citizje'n of the United-States and a subjectof the Kii1g of Great Britain, respectively, residing at 1 Norristown,Pennsylvania, have invented certain new and useful Improvements inPattern Mechanism for Knitting-Machines,

of which the following is a specification.

Our present invention relates to the form of pattern mechanism disclosedin- Letters Patent of the United States #1,065,487,- June 24th, 1913,and #1,106,763,August 11, 1914. In the latter patent we describe arepeating pattern wheel. This wheel is employed in addition to a mainpattern wheel, the said repeating pattern wheel being started atpredetermined times by the main pattern wheel, and throwing itself outof operation automatically when it'has performed a prescribed cycle ofoperations, after which it remains at rest until the pattern is to berepeated, when,it is again thrown into operation by the main patternwheel.

By our present improvements we make the patternmccha'nisminter-controlled, or

in other words the main pattern mechanism controls the starting of therepeating pattern mechanism, and this last mentioned mechanism in turncontrols the starting or timingpf the main pattern mechanism when it(the repeating mechanism) has performed its cycle of operations or apredetermined movement, as a result of which inter-control thet'wopattern mechanisms are kept in time to produce the changes in thepattern in predeterminedorder.

In the accompanying drawings Figure 1 is a side view of a patternmechanism embodving our invention; Fig. 2 is a side view like the lowerportion of Fig. 1 with some portions broken away to show the othermembers of the :gnechanism; Fig. 2 isa view of a detail; Fig. 3 is aplan view of the main and repeating pattern wheel andassociatedmechanism; Fig. 4 is a vertical sectional view along theshaftof the main pattevr'i wheel some'of the parts he ingshown in elevation;Figs. 5, 6, 7, 8, 8, 9 and 10 are views of details; Fig. 11 is a planview of part of a knitting head showng the position ofuthe threadchangers;

Specification of Letters Patent.

Patented Feb. 15,1916.

Application filed June 4, 1913. Serial No. 771,752.

Fig. 12 is a plan view of therepeating pattern wheel; Fig. 13 is a sideview of part of thepattern mechanism shown in Fig. 1.

In these drawings, 1 is the pattern wheel having pattern blocks 2 tooperate a lever 3 pivoted to the frame, and controlling-the.

vertical position of a disk 4 which, when in certain positions, willoperate (certain levers on the knittinghead when brought into contacttherewith by therevolution of.the knitting head. This pattern Wheel isfixed on the shaft 5 suitably journaled in the fixed frame 6. On thisshaft is fixed a pattern ratchet 7, and it carries also, though loosely,a measuring ratchet -8, and

between these two there is arranged a measuring gear wheel 9, this beingmounted on a rim 10 of the measuring ratchet and connected with saidratchet by friction springs 11, the tension of which may be varied byscrews 12 mounted in the ratchet, bv which construction the measuringratchet may move independently of-the gear, but on the other hand thegear, when moved,

'will turn the measuringratchet. The pattern ratchet is moved step bystep by a pawl 13, Figs. 5-7, but shown broken away in Fig. 3. This pawlis pivoted to a'slide 14 movable in bearingsin the frame, ahd operatedby a suitable connection to. a moving part of the knitting head,.aportion of .which connection is shown at 15 in Fig. 1. This moves theslide to the left,.while aspring (not shown) moves said slide to theright. The measuring ratchet is operated by a pawl 17 pivoted on thesame pin with the pawl 13, and the measuring gear wheel is operatedthrough a train of gears indicated generally at 18 from a wheel orroller 19 covered with card clothing, and which is moved by the fabricas it passes down to the take-up.

The pawl 13 of the pattern ratchet is controlled as to the times itengages and moves said ratchet by afshiftable controller 20,.

consisting of an arm pivoted on a lever 21,

which is mounted on the bearing 22 of'the' frame, and is provided withaweigh-ted extension 23. tending to keep the"lever 21 and the controllerat the leftward limit of, their movement, as indicated in Figs. 1 and 5.With the parts in this position, and considering the fact that the-pawl13 is .atthe holes foreachratcliet tootli I being placed therein in suchnumber" and leftward limit of its throw it will be seen is thrown backthrough theoperation of the -that when'lt'he paw-l mores to theright-toengagea new toot-h von the ratjchet', it will ride upyonthis controller,and will, thus he prevented from dropp'iiigidown nto the said :tooth,avrid ga sllori'g s the parts are in 'tlllS relation; the pin willhottui n th r sequently the I paftte attern ratchet, and, con

pattern ratchet'-;and ove' the' edge of the:

controller-to rest- Tliecontrolle .which are sc pattern i relation.as-the "pattern may demand. In

" thedrawing. the pattern ratchet, the pawl 'and the clontroller arcshown at the starting point, iitithat' point where the patter being'raisedhnd 'agroup of three of the pins 2% being in position to act uponthe Controller; I g

Forretracting -the controller to allow the pattern ratchet pawl toengage the'patterna ratchet and turn the pattern wheel we'em- {ploy adoublearim-d lever '26 pivoted to th fixed frame of the maehineLene "arm265 i of which is cojii'iccte'd'hv alinlc 27 with the weighted arm 23 ofleyer' ilyand the-other he acted on l.) controlling blocks 29 fixed onthe measuring ratchet." and-fhaving in- .clined orcam shaped surfaces 30to'act on the beveled end of the saidfllever armQG" 40! to lift thesame, and thus throligh'th'e link '27.:ind lever 21 to retraetthecontroller 20 sothat. in the next movement of the pawl 13"to the right.it will engage the pattern ratchet and turn the same. Y' 'Ihisl'eve'r:26 is pivoted to tlwtfrai'u'e-at ill. its p vot p n, however. heiugl'lrolcen away in Fig. 3.

It will he n ticed that. one of the controller hloelc mfsegments is.different from the others in that it-vis provided with an (-XteHharQSI", 'lhissegm'ent is for starting the patteur and onl v when thissegment mines in work upon the lever arm 26" can the pzzlleru he-started h 'the Starting of illt i llltllt'lll ratchet from the positionof Fig. fifhn'dtfwill he noticed that with the arrangement of" the groupof three pins it'requires the presence-of thegxtcnsioh l9 1 illreciprocate i'dly and kw'heel willfrern ll g t rest.-The.controller--20lworks close along-f "the-"pattern rai t'chelj pa-ivhis to be started; the said "coiitrollernowr do its work.- It will th arm'26 of which has a lie holed end 28 to the lever 26". T

for the operation of thepattcrn ratchet 7o pawl.

This wilhnot'fb the case, however, if theparts. should get out of-timeand one of the other controlling segments should come around against.the lever 26" when the pattern ratchet is inthe position shown ready tostart the pattern. Should such out of time action occurby one'of theother segments coming into play against the lever 26", the controller 20would-be= retracted to its fullulimit, but itwou return toitsforwar'd-po' oiling seg ment having no 'extensi such as, 29,

would allow the lever airn "fi2i6""1to drop 'down at once afterbeing'l'ifted'by the end of the lever riding Over the short bearing sura e 29" at the top of the segment. The extent of bearing surface.afforded by the group of three pins at thes tarting point will hold tl-ie"controller-, up, so that, with the short segment, the controllerwill "sim ply 'move back-and th'en im-liied'iately re---. turn'toitscontrolling position to prevent} '5 the pawl 13 from {engagingjthe"i-'atchet, 1113:5315 with the startingsegfinent having theextension"i.t..-will "be"-held',fback long enough to allow the patt,ra'ccht-"p'mi, to '3 seen: that the grow pof three -pins {int-hefpattern: -r a t'clieli. 100. criiE ei' itca withthe'speeial' wagsgmencfhaving the extension tdstart 'tl1e', =}pattern,

and should-the n'i easuring. ratchetflieconie out of time .in' relation'fto the. pattern ratchet, no movement 'offthe latt r will-take 105.-

plaee unti'hjin the movement of-tl'i e-measur. in; ratchet,the-propertiming of the parts" israflfiin secured; the controllerheing'on the {group of three pins when the starting'scgment, with itsextension-29?, works against T he other segn'lents' '29 having the shorthearing surfaces are intended to"c o 'ipe.rate

with individually lisi-iosed pins 24; -whieh act not as a group, hutsingly upon the con troller 20 to lift it up into controlling position,i. the. position shown in ii'hich' itprovides an edge for the pattern"ratchet pawl to ride on. llhen the controller there fore is resting onone of thesefsingle pins,

the patternratchet-pawl1 will be prevented from'engaging its' ratehetuntil one of the short silrfaced controlling segments 29 comes a'i'ound'apd lifts the lever arn'i Qt); this \vil l rel ae the contrullerQOoff'of the single piri, and said controller will therefore fall andexpose the next tooth of the pattern ratchet to be engaged liy the pawl13, and the. said ratchet will he turned, thereby turning thepa'tternwheel.

.nii-asuring ratrhet, the said pins being disposed in surh plates and insuch number as the pattern requires. These pins art upon an arm Illfixed to the meastu'ing ratrhet pawl. and by riding thereunder lift saidpawl out of engagement; with its ratchet,

and thus stop the quit-it measuring movennnts thereof. the saidmeasuring ratchet then adranring slowly by the measuring gear throughthe frietion eonneetion between them whit-h. as above indirated. willallow the measuring ratrhet to b av'l aneed ahoad ofthimeasuring gear when the quick movement takes plare. The in insuring pawl having beenlifted from its ratchet by one of the pins 32. the rateh t is movedslowly forward in the tlll'ttllOll ot' the arrow by the gearing. untilthe arm 3% is about to drop all of the pin, and then the measuring*ati-het is given a definite or derided ad vanre movenu-nt by asupplenn-ntal measuring pawl l?) pivoted to an extension of the arm ill.and engaging a lug 33 (iii the t'olitrolliiig segment. when the slowuieas ured movement of the ratchet wheel bring. this lug into positionto be engaged by the supplemental pawl. This lug. as the meastiringratrh t is turned. rides under the supplemenhil pawl. holding it upuntil the lug passes beyond the front end of the pan l. when the sametltops (\Ui 'lilfi'. and up n the next mowment to the lett the pawlengages the hip; and gives a delinite movement to tlnnnieasuring wheel.thus setting it in posi tion to be engaged by the main measuring pawl17. whirh then names the mmisuring ratehet step by step until the nextpin It mines beneath the arm Ill. and lifts th pawl. thus stopping thequirk measuring morenient. The pins 3;! may be arranged in groups orunbroken series. and we hate shown. tor instanee. two of sueh pins adia(rill one of the eontrolling segments. These ns determinithe startingoint of the slow measuring !lin\- nent. and to v ome extent the lengthof said nunement. In other words. the determine the approximate lengthof the slow lll :l lll't\l moyenn-nt. but the exai-t point at whirh theslow measuring moieinent erases is determined by the position oi throu'lrolling segment. the stop or lug on whirl] is engaged by thesupplemental pawl 31') to start the quick movement and bring themeasuring pawl 17 into action. The ((llltI'Olllllg' segments areadjustable by the serew and slot. eonneetion at 36 by whieh nieety ofadjustment of the lug 36 in relation to the pins 32 may be set-tired fordetermining the length of the measuring movements. For turning thepattern wheel independently of the ratrhet wheel. a ban die is providedat 3T eonnerted rigidly with the shaft 5. and for turning the measuringratrhet by hand we prmide a hand wheel 38. these being the usual devicesprovided for surh purpose.

\Ye employ a supplemental or repeating pattern merhanism jointly withthe main pattern merhanism above desrribed similar to that disrlosed insaid Letters Patent #Lltlthi'fio. above mentioned. this repeatingpattern wheel being eontrtiilled in its starting from the main patternini-ehanism. and in turn exerting rontrol over the main pat.- ternmechanism to determine the times of its starting when the said repeatingpattern wheel romes to rest. or about to come to rest.

The repeating pattern wheel is shown at 534- on a shaft jonrnaled in theframe. whieh also rarries fixed thereto a repeating pattern ratrhet SFor starting the repeat,- ing pattern wheel the main pattern wheel haspins 37 arting on a lever in fixed to a shaft 35' iouroahal in theframe. said shaft ha ing also ronuetted thereto a rontrolling arm oil torontrol the engagement of a pawl ii with the teeth of the repeatingpattern wheel rati-het This pawl is pivotally mounted on the same slidel -l to whieh the pawl 13 ot' the main pattrrn wheel ratrhet is pirotedfWhen the repeating pattern wheel J-t is to be inoperative. the drivingpa wl l rides idl upon the upper edge ol the repeating rah-hotltlllll'tilltl' W). .-\t this time the pawl til is working idly bark andforth in the spare .3 ol the repeating patt rn ratrhet. whi h spare istormedby a fil .low tooth at this oint. any desired number of said low th being disposed about; the repeating rah-bet.

\Yht-n the starting pin 57 on the main pattern wheel strikes the lever55 of tlio (olitroller i l. the said eontrirller is depressed. thusallowing the pawl to engage the low tooth in the repeatingiattern-\vheelo'atrlu-t at '2 and turn the same so that now the regu larteeth will be engaged by the pawl and the wheel will be turned step bystep until the next low tuiilli i'onies around. when the movement of thel'atrhet and th repeating l'uttern wheel will reuse. After theeontroller is lowered to allow the pawl to engage the low tooth and onepawling aetion has taken plaee. the eontroller ran rise. but it does:not rise high enough to lift the pawl aboye the plane of the regulartecth. whieh are new acted on by the pawl to more the r'rn'het wheel.together with wheel .14. step by step. The rise of the controller islimited hy a pin G3 on the frame up n which the controller lever rests.

During the movement of the repeating pattern-wheel, pins thereon act instir-cession upon a laterally extending portion of a striper lever til.that is to say. the pins in tlllt, group hetween one the pattern lowtooth and the next. are brought into action and eontact in suceessionwith the le\er (H. and operate it until the repeatingpattern-wheelthrows itscll out. (comes to rest. These pins. as shown in Figs. 3 and1;. are long and short. the long pins 65 being adapted to give a greatermovement to the lever Bl than the short pins 66. owing to thetaet. asshown in Fig. 12. that the long pins. in traveling, maintain contactwiththe heveled end 67 of the lever all the way to the end of the stud 8,Figs. 2 and 12 pushing the said lever to the right its full distance.hut the short pins more the lever only part. of the distance becausethey ride off of the lever at the shoulder (if) instead of at the end ofthe stud (38. not being long enough to reach said stud. Now. when thelever is; moved hy one of the lone pins acting on one end. its other endwill he raised. lifting the pin 70 connected with the claw or controllerplate 71. 1. l and 11. so that said claw or controller plate will inraised into the path of the star wheel T! of the right hand striperattachment, shown generally in Fig. l at 753. which attachment ismounted to rotate with the cam hoX H. Having operated this star wheel.the striper lever til. together with the claw 71. drops hack again tothe normal position shown. that is. alter the long pin has passed thelaterally extending foot of the lever (H. A short pin op rating thestripcr lever will raise the claw Tl so as to he in the plane ofrotation of the star wheel T2 ot the other sl'riper shown generally at73'. and which is arranged diametrieallv opposite the striperattaehnient TI first mentioned. so that a change in the threadseontrolled hv this striper ma lie etleeted. The star wheels are atdiltercnt elevations. and. hence when the claw is lifted lo. the longpin it will he Htl'llt'h' hy the hig star wheel. and when lifted hv theshort pin it will he rai ed to the plane of the low star whe l. Th sestripers are suhstantiallv ot' the t rni shown in Letters latt-nt ol thelnit'ed Stat s of llipwell, #813167. March 1 3. lat 'i. each having apair ol guiding; arms T5. T 73, To for the yarns. one arm of each hein rdown to feed its varn and the other arm of each heiu; up t hold its yarnfrom living fed. The slide ll rreiprccates once tor ever revolution ofthe lnaehine. and hv arranging the pins in the repeating pattern wheel.the desired striped ell'eet can he secured, the times when the slide isell'eetive in moving the pattern rep -ating wheel hein g controlled bythe measuring mechanism of the main pattern wheel driven from the fahrieor card wheel 19 it 'ough the gearinf, 18. The claw is in tt. form of aflat plate having the front and rear proietrtitiins 71 and 71. tooperate; as just pointed out. twiee against the star wheel as the sameis passing; it. It is carried hv a post, and extends in a horizontalplane therefrom so that the star wheel which is not to b operatedthereby mat pass either over or under the plate. as the case may he.

In addition to operating the stripers from the re )eating--pattern-wheelin the desired order, one of them is controller?! by cam blocks on themain pattern wheel 1, two of which are shown at 77. These hlorks are ofchannel form adapted to freely pass the controller lever 58 withoutoperating it, but the outer arm or portion 78 ot' the block is adaptedto strike a pin on the stripe! lever 64, and operate it independently ofthe re 'ieating- 'iattern-wheel. and while the same at rest. By this theclaw is raised to the level of the low star wheel, so that this will hemade to transpt'ise. its yarns. placing one in feeding position anddrawing the other out. and if the one fed in corresponds in color withthe one fed in by the other stripel. a solid color [ahrie may he ltnit.and this is done when it is desired to knit the litLk hand of a tie insolid color. The repeating-pattern-wheel makes the stripes inthe ends ofthe tie hy bringing into action in proper succession one striper andthen the other. but as just stated the main pattern wheel effects thechange in one of the stripers to iiltilit the solid eolor for the ne lthand. The main parts of the tie arc knit in aecordion stiteh while theneck hand is hlilt plain rih.

From the ahove it will he seen that the repeating wheel can not get outot time. it p rmits repetitions of the pattern to he madeindeliniteljt'. lien the r epet2tin;.=j pattern \vliti'l is started hvthe pin on the main pattern wheel. it completes a lull aetion and thenit is thrown out by the raising of the controller 60 aet'ua tetl' fromthe main pat tern wheel. this controller. when raised. keeping the pawltil from engaging the deep notch in the repeat wheel.

.\s shown in Fig 1. 2 and i. an additi nal or supplementary tool-(int:lever 80 is employed. this hem pivoted on an extension ot the pivot ofthe cm'itroller (30. said lever having one arm provided with anadjusting hearing screw engaging the under side of the main tuckinglever f3. and having a depending arm to he o 'ierated by long headedserews or pins 81 carried by the re pcating' or secondary pattern wheel54. these lone headed pins or serews projecting on the opgosite side ofthe pattern wheel from that where the portions (35 and 66 of the pinsare located for operating the lever 64. The main tucking lever 1") isoperated by iuitatle plates or pattern memhers mounted on the mainpattern wheel l. and this tucking lever adjusts vertically a disk iwhich is well known in the Wihlman type of ma hine. and is employed foroperating eeriaia eontaet. levers as they are brought thereto in therevolution of the machine for mak ing; changes in the fabric such, forinstance as a tack stitch. the disk being raised and lowered into andout of the plane of these conta t devices carried by the rotar head. The--hcrt screws or pins on the secondary pattern wheel 54 do not operatethe second ai v lever. and from the above construction it will he seenthat one set of pins may he used for operating the striping i'nechanismand another set of pins may he used for operating the tucking lever,these operations litlllfjf performed without interference one with theother. One object of this seconda r tucking lever is to change thepattern l'rt in plain stitch to tuck stitch or the. reverse. and alwayshave the changes of stitch in a certain relation to the stripingchanges. The arrm ir' ment of the main and-secondary tucking lc as mayhe changed from that shown. or inother words. other arrangements ofthese levers may he employed so that hoth may act upon the disk 4.

in our present improvement as ahove stated. we make the main andrepeating pattern mechanismsinter-controlled. \\'e have disclosed hy theforegoing description how the main pattern n'icchanisn'i starts therepeatingj or supplemental pattern mechanism, and will now describe howthe repeating or supplemental pattern mechanism exercises ttllll'tl overthe main pattern mechanism. For this purpose a lever 82 is pivoted tothe frame at 85). It is weighted at M and rests against a pin RS on theframe. It has a pin so uprn which rests an arm 87 attached .to thesupplemental measuring pawl 33 of lliPiIl -asurin ratchet to hold thisup so as net to engage. the low lugs 8'.) of segi nents L'i en themeasuring ratchet wheel until the aid weight d lever is operated h v apin 98 n the ratchet 56 of the repeating or slip pl inental patternmechanism. There is one rt he pins for each section or division oi' therep ating pattern wheel.

As ahove set forth. the repeating pattern 'llft l. started hr the leverlt|)l'(. lll, f the r ntroller i l when the pin 37 on the main patternwheel lil'ts said lever and wh n the pin 37 mi ses from under the le\er3% the controller li.--(*. l..r enough to pr ent the pawl from engagingthe low t oth 2 hut not high enough to prevent the, pawl l'rom engag ngIhe regular teeth that the pawl will continue to turn striping orrepeating pattern wheel so the until the low tooth comes around. Thetime at which the pawl 35 of the measuring ratchet tails and engages alow tooth 89 on one of the segments or. blocks 29 is controlled by thepin as on the repeating or striping pattern wheel. operating thelever82. the action of this pawl, therefore, bringing the measuring wheelinto position so that on the next forward movement of the pawl it willengage the other (high) tooth 36 of the block or segment 29. move the some, together with the measuring wheel, and the incline of the segment 29will thus operate the lever 26", retract the. controller ,20, whereuponthe pattern ratchet pawl 13 will engage the pattern ratchet and thepattern wheel 1 will be started. It will thus be seen that the repeatimgwheel is started from the main pattern wheel through the pin and lever57, :38, and that the said repeating pattern mechanisnndn turn actingthrough the pin 99 and lever 82, times the starting of the main patternwheel by timing the fabriclength measuring member 8 and the starting ofthe main pattern wheel effects the stopping of the course measuringwheel 56 and the pattern member 54.

The engagement of the supplementary measuring pawl with'the 10w tooth ofthe segment 29 may take place at any point within the limit of the pawlsstroke. according to the position the segment may have assumed due tothe slow measuring movement of the measuring wheel. As a result of thefirst pawling movement the second tooth on the cam block or segment isbrought into position to he engaged by the supplemental pawl at adefinite point in the next stroke thereof for causing: the retraction ofthe controller 20 and the starting of the main pattern wheel in properrelation to the repeating pattern mechanism.

The lever 82. considered in one respect. is a timing device for the mainand supplemental or repeating pattern mechanism. for by its action. whenoperated by the pin 88 on the ratchet lit of the repeating patternmechanism, it first times the starting of the main pattern mechanismthrough the supplemental pawl 33 thereof. and as a result of thestarting of the main pattern wheel the stopping of the supplemental orrepeating pattern mechanism takes place due to the pin 57 heing removedfrom the lever 59. and the con equent lifting of the sup-- pl rnentalcontroller 60 and removal of the pawl (31 l'rom action. The main andrepeat ing pattern n'icchaniem are thus intencontrolled. ea h exerting acontrol over the operation oi the other. and in this wav thev in time toproduce the changes in th pattern in predeterniined order. The mainpattern wheel 1 is at rest while the supplemental pattern wheel isrotating. and during this time the lever 58 is resting on are kept thepin 57 and the sup 'ilemental pattern wheel is moving. The pin 57 willnot release the, lever 58 for stopping the repeating pattern wheel.however, until the starting pieee 29 with the high and low lugs 36, 8!).eomes around. due to the slow measuring movement of the ratehet andbrings the low lug 5 to the pawl 35 and until said pawl is allowed tofall hv the timing lever 82. 'hen this oeeurs. the first aetion of th pl 213 will he on the low lug S!) to bring the measuril'ig ratehet intoproper time, and the next action will he againet the high lug 36. whiehwill bring the main measuring pawl 17 into aetion and eause thewithdrawal of the controller 20 and consequently the movement of themain pat tern wheel by the pawl 13.

Regarding the above statement that the main pattern wheel is at restwhile the repeating or striping wheel is moving. it may he alw pointedout that when the repeating or Ftripin 1r wheel is to be operated. thestarting pin 5. on the main pattern wheel so placed that the mainpattern wheel starts the striping wheel just before the main patternwheel stops. The main pattern wheel cannot start until the stripingwheel has finished its travel. Consequently. inee the main 'patternwheel starts the striping wheel just before the main pattern wheelstops. and ainee the main pattern wheel cannot start until the stripingwh el finishes its travel. therefore the main pattern wheel must restduring the operation of the striping wheel.

After the lever 2 ha; heen operated. it returns to the position shown inFig. l. he eause the pin has: passed from engagement with it. and theuzpplemental pawl 33 will thus he held in position to engag only thehigh lug ti ot' the r g ment if? (it the measuring ratehet.

As to maintaining the relative timing of the two wheels it may he saidthat: Supposing that the measuring deviee and the striping deviee keptin perte t time. and suppose that the r tripiug wheel and the mainpattern wheel wer to be operated in imn'iediate Slu'eewitur. then justas oon as the striping wheel st pped. a high starting lug 36 on themeasuring wheel would start the pattern wheel. for the lug would heplaeed to do ht). But. Fillet the meehanisms do not keep perfect time.the meamriug wheel is adjusted to lag hehind the :--ti iping wheel. buttut more than the trawl i the timing pawl. so that when the .--tripingwheel has finished its travei a tow attilill' g Q9 will be within reaehof he tiniirg j 'zwl 3. The tiifiifilit'(\\'ltitl) the timing pawl hista push the low starting t; Fa lh the distan e net'esar to perfect thtuning. and low lugs 3689 ean he platd on all the blocks.

't he high en l ot the repeat.

From the foregoing it will he seen that; the invention involvestwo-pattern meehani m. one being operated from the fabric roller anilwhieh we designate as the main pattern mechanism. this measuring thefabrie h v aetual length and the other whieh we, designate as thesupplemental pattern met-hillliSlll which is started from the mainpattern mechanism and whieh mea ureS the fabrie h v eourses or multiplesof eourses. These two llltt'tilll'tlllOIltS.Will not t'ull aeeord andthe (litlerenees between them would appear as a det'eet in the last partof the knitted t'a'rie were not v ome provision made to render theditl'erenees negligible. For instanee. suppose a top is to he knittedwith a seriea of stripes these would he lllttlFlll'tftl by eourses andthe other parts of the top would he lllttlhtll'ttl h v length. andtromtlie begin ning of the article. to that the ditterenee hetween thetwo mei'isnrements would eonie out of the terminal seetion ot' theartiele. By our arrangement we tliatrihnte thi ditterenee throughout thet'ahrie l'w reatarting the aetua measureim-nt or the length measurementat't r eaeh t't tilre measurement. instead. of malring a tiY d artuaimeamrenient orer all. ()ne important t' ature t noveitfr in ourin\ention is: that we get in only the starting of the eollrw inea uri 2gmember from the ftllil'it"ltllgill-llltthili111! inemher. but we securethe eorreetion .1" the timing of the last named member tun; (h firmentioned member. and initial we t'fii'i" eoltrse-measurementterniimition h the lengthaneasuring.inemher.

The lengtli-lneam-ring member. f. r" tl-= wheel in the. emhmlinn-nt illu-tr.-ii .d. hegin the KUUIISHI'PIIHHI. and at th-- )03 time starts theeourw nua.--ur i=u-m ileviee. 'Z. (a. the wheel 7H 5o far the m mv i.--'no new over the prior art. The tour w aeur ing deviee. how ever. ateat-h pr per Hopping plaee. Feta in a -lion what mat in ternnal t'eelermeat. e n i ting in th example shown of the parte3. -T 25 \vhirn lei-isthe lttItQtll-lti .i.-- tll1Q dmire whether or not all.leugth-na-a-urzng (i\\i' wiil now eall tor or i :ehont read to ealt torthe atopping oi' ahe room: measuring? devire. l t' th l ngth-'n eawringw heel in po ition to require or rail to! the ees ation of eour enit-:mirenn-nt. but is not in eeaet time. that is. with a high lug 36 inposition to he engaged h) the time eorreeting pawl TLJ, the low lug 8)ol the eontroller blot; it) ill be within rea-eh or range ot' the 'tvier whit-h will ngage that lug and move mea uring wheel up intopoaition to tln main pa tern wheel in proper time i e to the essation ofeouiwe nieaeiti'eand through the main pattern wlieei 5o top theeoutwo-measuring deviee at, the Thin stopping of the eourao ineaaurementis due to the pin on the main pattern wheel being rein.,ved from thelever 58, allowing the controller 60 to rise and hold the pawl 61 out ofthe deep notch. If the length measuring device or wheel were notcorrected as to time of operation. it would more the main pattern wheelout of time. which movement would stop the repeating pattern wheel'outof time. By the action abore described not only is the repeating patternwheel M stopped. but the fabric or length measuring wheel is adjusted torestart substantially where the repeating measurement is discontinued.

The repeating wheel may make any number of repetitions involving wholeand fractional revolutions of the repeating wheel. It, will be seen thatthe repeating wheel 56 has a multiple of sections each representing agiven number of courses, and that the stopping of the course measurementmay take place within one of these sections or within a portion orfraction of a multiple of a given number of courses.

\Ve claim as our invention 1. In combination in pattern mechanism forknitting machines. a main pattern menr her. measuring. the fabric byactual length. a supplemental pattern nien iber m aisuring the fabric bycourses, means for operating: the length pattern member during;intermittent periods. means controlled bythe course pattern member forcorrecting the time of starting of the length pattern member at thetermination of each course measurement. and means controlled by thelength pattern member when started for stopping the course patternmember. said length measnrin};- pattern member controlling: also thestarting of the course measuring pattern member. substantially asdescribed.

2. In combination a attern member measuring the fabric by length. acourse measuring member measuring the fabric by courses, Eaid membersoperating in altcrm'o tion. means for driving said members. means forcorrecting the time of starting of the length measuring member from thecourse measuring membel' at the end of each course measurement. andmeans for controb ling: the stopping of the course measuring member fromthe corrected length measuring: member when the latter starts. ubstantially as described.

3. In combination a pattern member measuring the l'abri by length. acourse measuring member measuring the fabric by (our -s. said m mbersoperating" in altcrna tion. means for dri ine' aid llltlll t 1's. meansl'oncorr clin; the time ol' starting of the length measuring member fromthe ourse measuring m mber at the end ol' each course measurement. andlllt'llllfi' l'or controlling the stopping of the cour e measuringmember from the corrected length measurint! member when the latterstarts. and for subsequently controlling the starting of the course,measuring member. substantially as described.

l. In combination in pattern mechanism for knitting machines. a mainpattern member measuring the fabric by actual length. a supplementalpattc-u member measuring the fabric by courses. a m asuring member. driing means for the main pattern mechanism controlled by the said nu-auring member, driving means for the measuring member itself includingconnections to the fabric loll. and a pawl. means controllei'l by thecourse measuring member to corr ct the timing of the measuring wheel andit drir ing pawl. and means for stopping the course measuring member toconform to the corree-ted timing of the nn asurin gr wheel and its pawl,substantially as described.

5. In combination in pattern mechanism for knitting machines. a mainpattern mechanism measuring the fabric by actual length. a supplementalpattern mechanism measur ing the fabriac by courses. connection:operated by the main pattern mechanism for both startin and stopping.the supplemental pattern mechanism. and connections operatcd by thesupplemental pattern mechanism for correcting the time of starting of hemain pattern mechanism which thereupon. through the connections firstmentioned. stops the supplemental pattern mechanism. substantially asdescribed.

ll. ln combination in pattern mechanism for knitting machines. a mainpatterm wheel. a measuring wheel with means op-lcrated by the passage ofthe fabric for gin ing the same a slow measuring movement for length.and a pawl for giving the same a rapid measuring mo ement. connectionscontrolled by the movement of the. measuring: wheel for startin; themain pattern wheel. a supplemental pattern mechanism. measuring thefabric by courses. connm'tions controlled by the main pattern wheel forstarting the supplemental pattern mecha nism. and connections controlledby the sup plemental pattern mechanism for correcting the time ofoperation of the pawl upon the measuring: wheel to tbareby rorrert thetime of the starting: of the main pat ern wheel in prcserilaal relationwith the stopping of the supplemental puttrrn me hanism. substair tiallyas described.

T. in combination in pattern mechanism for knitting: machines. a mainpattern wheel. a pattern ratchet. a pawl lor operating the vsame. means(or giving: it a slow measuring: movement for length by the passage ofthe fabric. a pawl for airing: it a qui k measuring movement. acontroller for the pattern ratchet pawl. contact pieces on the mcasun inratchet f r adiustin; the controller. a supplemental pattern wheel andratchet. a

a measuring ratchet wheelstopping the supplemental pattern wheelaccording to said corrected timing of the main pattern wheel.substantially as described.

5. In combination in pattern mechanism for knitting machines, a main.pattern wheel, a measuring wheel operated for length by the passage ofthefabric. connections between the measuring wheel and the main patternwheel for operating the latter. a main and su 'iplemental pawl for0perating the measuring. wheel. operating means for said pawls, meansfor holding the main pawl out of operation until the Ineasuring wheelhas been moved into a certain position by the supplemental pawl. asupplemental pattern mecl'ianism. measuring the fabric by courses.connections controlled by the main pattern wheel for starting thesupplemental pattern mechanism, and a. connection between thesupplemental pat tern mechanism and the supplemental pawl of themeasuring wheel for correcting the time of operation of the wheel inrelation to the supplemental pattern mechanism to thereby control thestarting of the main pattern wheel, substantially as described.

9. In ':oml'iination in a. pattern mechanism for knitting machines. amain pattern ivhecl. a measuring wheel operated fo'r length h thepassage of the fabric. connections between the measuring wheel and themain pattern wheel for operating the latter. a main and supplementalpawl for operating, the measuring wheel, operatii'ip means for saidpawls, means for holding the main pawl llll oi UPtitlllUH until themeasuring wheel has heen moved into a certain posit on by thesupplemental pawl. a supplemental pattern nittillifiihlll. mcasuriin;the fabric by courses. connections controlled by the mainv pattern wheelfor starting the supplemental pattern mechanism. and a connectionbetween the supplemental pattern mechanism and the. supplemental pawl ofthe measuring wheel for corre ting the tim of operation of the measuringwheel in relation to the supple mental patt rn mechanism to therebyontrol the starting: of the main pattern wheel. said iiit;i tll'il;; 'fwheel ha ing rah-he! teeth to he engaged lrr tlic niziln pa l andhich'aud low lugs to be i*li :l ifc i hy the upplemental pawl. the saidc nn ti nholding: the sup iilt-ll tllttll pawl out oi" cngagcim-nt withthe low lugs nmnmllr. hat a onin i the to t'ali Hil': liii-n \v'jil thei lowlup' has performed a predetermined movcn'ient, the said pawl. whenin normal position. being adapted to operate against the high lugs.suhstantiall as described.

It). In combination in pattern mechanism for knittingmachines. a mainpattern wheel. a measuring wheel having ratchet teeth and also high andlow lugs. said measuring wheel being operated from the passage of thefabric a main pawl to engage the ratchet teeth, means to hold the pawlnormally out of engagement with the ratchet teeth. a supplemental pawlto engage the high and low lugs. and to thereby bring the main pawl intoaction. connections controlled by the measuring wheel for starting themain pat tern wheel. a supplemental pattern mechanism measuring by coures. connections controlled hy the main pattern wheel for starting thesupplemental pattern mechanism, and. also for stopping the supplementalpattern mechanism. and connections controlled by the supplementalpattern mechanism for holding the supplemental pawl normally out; ofline with the low lugs. said connections permitting the pawl, when innormal position. to work in line with the high lugs. sub stantialir asdescribed.

ll. In combination a main pattern wheel measuring by length of taliric.pawl and ratchet measuring devices with connections for controlling thestarting of the main pattern wheel. a supplemental pattern mecha nismmeasuring by courses, connections controlled b vthe main pattern wheelt'orstarting the sup 'ileinental pattern mechanism. means to correct thetiming ot' the engagement of the pawl and measuring ratchet, levertocontrol said corrcctima means. and means on the supplemental patternmechanism for controlling said lever. substantiallv' as'dcscribed.

1;". In combination a main pattern wheel. a pattern ratchet in fixedconnection therewith. a pawl for open-[ting the said pattern ratchet. aslide for operating the pawl. a

lI)t -,tfl mounted measuring ratchet, means for giving said ratchet aslow measuring movement. a pawl mounted on the slide for gg ivin; themeasuring ratchet a quick meas urine movement. pins on the measuringratchet for holding the inea auin5 pawl normally out of action. asupplemental measuring pawl reciprocating in unison with the main pawl.contact pieces on the. measuring ratchet having high and low lugs to beenpaged by the supplemental pawl. said contact pieces having inclines. acontroller for the pattern ratchet pawl. connections operated hr thesaid inclines for adjusting the controller. pins on the pat ern ratchetfor also adjusting: the, controller. a supplemental hattcru wheel. aratchet wheel in tixcil oiri ction therewith having high and low lugs. apawl connected with the slide for operating the supplemental patternratchet, a con trniier fur the. Supplement a1 pattern ratchet pani.mnnccticne; controlled by the main whcvi fur adjusting the: snppienuntaiinc-i 1 mm. tor infiilng the rnp iicniciiiai -s-niing pawl up out ofline With the inn Jug .hnt mrnnttim it tn 0 wratn a ainat the:

high ings of the contact piccm. and linmil: for mi-rating the said 1mmmm thc an; 7 HHDtIii pattcin mechanism, snbatantiaiiy as ii'hcd.

pattern mechanibm (5(lf11])l'iill l a ma a. miv: n mrr-hi-enismmeasuring the fah -n h 1=t m lwngth, a suppicmcntcii paitcrn n:l-.ianisn: mi ism'ing the fabric hy courses, nwam for mnticiling thestarting and stupp n g of tho snpph mcntal path-1'1) mechan in i; ulllihc main patron mechanism and means Ur restarting and timing the mainpattern mi chanmn at the (lid of each (nurse Incasnz-ing a: tiun. saidlast mentioned means heg runtmilml from the supplemental pat nincchinmn, sulc stantialtv as Jcw'rihcii, M. In mmhinatiun with aknitting 11m- LiHHf Inning pattern changing devices numntcd th reon, apattern heel having laterally projecting long am} short pins. and alcvcr having lung and short contacting Hui-- facw fur thc aald P1115?tor npr-ratmg the lewr tn dith-icnt ihqjz'cvx, sai i lovvr control lingthe atna-n changing dmzccs. snimtan- 1.3. in cnmhinatiun 11 A :z wrnmechanism tn! knitting machines. a pattern mechanism mcaQn'ing thefabric by its actuai icngtln a sccmn'i pattern mechanihm measuringtmfabric by courses and means for correcting the timing of the lengthmeasuring nievhaniam t0 cmnpensatc for the variationa L1H! to cmirscmeasurement. said correcting mcana anointing at the end of the coursemeasurcment. and means for stopping the, course nmasurcmvnt acu'irdingto the, corrcctcd tim ing' (If the h-ngth nwasurcment suhntantially asdescribed.

In testimony whcrc-of. we afiix our signatures in prcsuice of twoWitnesses.

FRANK B. WILDMAX. GEORGE L. BALLARD.

"itncssewi ()wrzx BALLARD, EDITH C. FRICK.

